Lachlan decides to take matters into his own hands with this Belle and Dr Bailey situation, and breaks into the doctor's house hoping to find proof that he has no intention of leaving his wife. Belle realises what he is up to and also breaks in to find Lachlan has trashed the place. However, the Baileys return home unexpectedly and while Lachlan escapes, Belle ends up being caught red-handed. How will she get herself out of this one? Also tonight, Holly fears having to take a drugs test, and Marlon has had enough of Pierce hanging around Rhona and Leo.