Mae perthynas Ffion a Rick yn dwysáu wrth i'r gorffennol ddal i aflonyddu'r presennol. Ffion, riddled with guilt and shame, is worried that Abbi's killer remains at large.
Ffion and Rick's relationship deepens as the past continues to disturb the present. Ffion, riddled with guilt and shame, is worried that Abbi's killer remains at large.
