Max channels his inner Poirot on Monday's EastEnders on RTÉ One and BBC One.
Teeing up the intrigue, the BBC says: "With Ian nowhere in sight, Max becomes more suspicious of Sharon when he questions her on her husband's whereabouts, only to discover she hasn't made any effort to find him..."

Fans can find out what happens next on Monday on RTÉ One at 8:00pm and BBC One at 8:05pm.
EastEnders airs on RTÉ One and BBC One on Mondays, Tuesdays, Thursdays and Fridays.