Chris Warner is forced to face the past when his lost love Rachel McKenna returns to Shortland Street.

The antics of the engagement party play out - who's hooked up? Who's going to regret it? And who's going to want more?

Is an unaware Chris walking into Rachel's trap? Nazar tries to push on without Monique.

Cindy goes rogue on a wild hunt through the hospital. Emmett's backed into a corner as his tremors worsen.

A mass-casualty event at a summer music festival causes chaos at the hospital.

Libby plays detective over David's dodgy dealings. Sage and Emmett weigh up love.

An avoidant Marty is forced to face his past. Rachel's reappearance places strain on Chris and Selina's relationship.

New surgeon Izzy causes a stir at Shortland Street, while Sage struggles to keep it casual with Cody.

Phil stokes a rivalry when Izzy suggests a challenge. Marty's behaviour rings alarm bells for Maeve.

Phil and Izzy fight for a place in Dr Ropata's surgery, while Chris spars with Marianne.

Chris and Rachel's romantic history becomes hard to ignore. Tensions spike in ED as Emmett denies his deteriorating health.

Chris' past threatens Selina's future. A guilty Nazar recruits Cindy for a secret mission.

Maeve tries to mark a milestone, while Selina kicks off a crusade.

The jury is out for Poppy as Hendrix's trial result is announced. Nazar rages against the Shortland Street gossip machine.

Phil and Izzy settle in for the night shift, while Marty and Nazar saddle up for a big night.

Drew McCaskill returns to Ferndale with grape expectations. A determined Libby sets her sights on fresh romantic prey.

Proximity to Drew forces Phil to wrestle with her feelings. David puts the pressure on Rachel to resolve their Warner problem.

Are Phil and Drew ready to take the plunge? With Emmett away from ED, Poppy prepares to step up.