Sirens

The team attend a major road traffic collision where Stuart takes the radical decision to give an open-heart massage to jump-start a woman's heart.

Stuart's date with Angie is going well, but his colleagues notice he is being uncharacteristically macho - is it Angie's effect on him or something more powerful?

The paramedics are called out to help a student who has drug-induced paranoia. When Rachid goes to talk to a neighbour, he comes across a 'purple job'; someone who killed themselves quite a while ago.