A teacher who is having an affair with one of his students is reluctant to present an alibi when his lover witnesses the first in a series of murders connected to their school.A teacher who is having an affair with one of his students is reluctant to present an alibi when his lover witnesses the first in a series of murders connected to their school.A teacher who is having an affair with one of his students is reluctant to present an alibi when his lover witnesses the first in a series of murders connected to their school.