Plot

Liang Sheng and Jiang Sheng are step siblings. They always stick together and support each other in their difficult life circumstances. They finally both manage to get into their dream university, but after a car accident, Liang Sheng left. Jiang Sheng became devastated and kept waiting for him. Helping her by her side is Cheng Tian You who falls deeply in love with this ordinary but remarkable girl.

Can you fight through your emotions when you know something is wrong? Jiang Sheng (Sun Yi) and Liang Sheng (Ma Tian Yu) are step-siblings who grew up through a difficult childhood with only each other to rely on. When their feelings for each other turn into more, despite not being blood related, they both try to suppress their feelings because they feel it is wrong. Years later, Liang Sheng gets into a car accident and disappears without a trace. With the help of Cheng Tian You (Wallace Chung), Jiang Sheng looks for Liang Sheng without any luck. Tian You falls in love with Jiang Sheng, and the two get married. But when Liang Sheng reappears, what difficult choices will Jiang Sheng have to make? "All Out of Love" is a 2018 Chinese drama series directed by Liu Jun Jie. It is based on the novel Liang Sheng, Can We Not Be Sad by Le Xiaomi.—Rakuten Viki

Because of their family situation and hard life, Jiang Sheng (Sun Yi) and her older half-brother Liang Sheng (Ma Tianyu) lean on each other to survive. Even though materialistic substance was scarce, the greatest happiness for both of them was to be by each other's side, and they start to develop feelings beyond their control. However, they choose to hide their feelings because their love is against ethics and morals. After a car incident in their university days, Liang Sheng disappears. With the accompaniment of Cheng Tianyou (Wallace Chung), Jiang Sheng searches high and low for Liang Sheng. Tianyou also falls in love with the seemingly normal but extraordinary Jiang Sheng. Eventually, Jiang Sheng returns Tianyou's devoted feelings, and they eventually got married. However, the reappearance of Liang Sheng complicates things, as he was revealed to be Tianyou's cousin.—DramaWiki

It narrates the drastic turn of events in the life of three people with complicated familial connections and the heart-wrenching romance that ensues. Having lived in poverty and destitution, two children, JiangSheng (Sun Yi) and LiangSheng (Ma Tianyu) have only each other for company. Even though the two aren't brothers and sisters by blood, they are by heart, and the two have never left each other. Both of them were able to get in their dream colleges but unfortunately, Liang Sheng gets involved in a car accident and is nowhere to be found. The incident unravels the mystery regarding Liang Sheng's true identity while Jiang Sheng searches for him day and night. Cheng TianYou (Wallace Chung) accompanies her and slowly, he falls in love with this simple yet extraordinary girl. Liang Sheng returns with a new identity as the cousin of Cheng TianYou. Their intertwined identities causes turbulent events in their life. Just as calamities come unannounced, Liang Sheng gets diagnosed with acute myeloid leukemia further complicating the relationship between the three.—chinesedrama.info

Liang Sheng and Jiang Sheng grow up thinking they are biological brother and sister. These two have always stuck together in good times and supported each other in difficult ones. They both get into their dream university, only to have an accident force an injured Liang Sheng to leave early. Now, a devastated Jiang Sheng can only wait for his recovery. Meanwhile, Tian You is often seen by her side, offering some much needed comfort. Imagine how surprised he is to realize he has fallen deeply in love with this regular but remarkable girl. Will Liang Sheng's return only complicate matters?—MyDramaList