Cellmate Secrets (2021)

S2E2 Once the Killing Starts

A university lecturer engages in a secret relationship with one of his students, leading him to murder his wife. Soon after, he begins to receive threatening letters from an individual who seems to have knowledge of his dark deed. The tension escalates as he grapples with the consequences of his actions and the looming threat of exposure. Patrick O'Neal, Angharad Rees, Michael Kitchen, Gerald Sim, Gary Watson, Patricia Donahue, and Terry Wright round out the cast in this suspenseful tale.