When their son moves out, a couple buys the condo from their youth and furnish it as back then. They start living as then and one day, they're same age as their son. Other twists follow.When their son moves out, a couple buys the condo from their youth and furnish it as back then. They start living as then and one day, they're same age as their son. Other twists follow.When their son moves out, a couple buys the condo from their youth and furnish it as back then. They start living as then and one day, they're same age as their son. Other twists follow.