With a bladder the size of Norway and every loo occupied, the last thing Eric needs is to be fronting his company's pitch to build London's biggest-ever reservoir.

Eric is on a work team-building exercise and is partnered with Alison who proves to be as useless in the forest as she is in the office.

Eric falls for the mother of his daughter's best friend Julie. When the allergy-prone pals camp in the back garden, Eric is called upon to nurse Julie through the night.