Episode 4
S2, E4: Susannah goes to the secure psychiatric hospital where her ex-husband, Danny, is being detained. However, she is shocked to discover that he's no longer there and suspects that Dr Alistair Underwood is covering up the incident.

S2, E4: Susannah goes to the secure psychiatric hospital where her ex-husband, Danny, is being detained. However, she is shocked to discover that he's no longer there and suspects that Dr Alistair Underwood is covering up the incident.