Phil, an ex-detective, and Ken, a former SAS soldier, are reunited at a friend's funeral after years apart. When another friend falls gravely ill and asks them for help, Phil and Ken must decide how far they are willing to go.
Marion's health further deteriorates, she attacks a carer in her home. Phil tries to persuade a reluctant Ken to commit the act of 'true love' for Marion.
Marion's death comes and goes, but Ayesha is slowly starting to put the pieces together, Phil attempts to shut her down, but she continues asking questions.