Cassius explains his need to leave immediately to a confused Piper, by claiming he must go and look after his mum, who has taken another turn for the worse. Piper apologetically lets him down, explaining she cant just up and leave with everything she has going on. Piper remains unaware Cassius has mailed a full confession to the police, and plan to flee the country, as he bids her a heartbrok... (thetvdb.com)