There are Albert Square ructions in Tuesday's EastEnders on RTÉ One and BBC One.
Releasing first-look photos, the BBC soap said: "Furious Bianca lashes out at cheating Zack and Lauren after discovering they slept together behind Whitney's back."
Fans can find out what happens next on Tuesday on RTÉ One and BBC One at 7:30pm.
EastEnders airs on RTÉ One and BBC One Monday to Thursday at 7:30pm.
