Three couples are confident their friendship is indestructible. But sometimes people come into your life with an impact that is way beyond your control.

Chris has told Laura all about Mike, the firm's number one client, a war hero whose marriage is in tatters and whose mental state is fragile. Their comfortable existence and that of their closest friends depends on everyone making sacrifices. When it appears that Mike wants to ruin them, all loyalties are called into question and every relationship is stretched to breaking point, because whoever is trying to hurt them, Chris knows it can't possibly be Mike.

A Friend in Need is a story about trust, friendship and the ultimate betrayal.