Great! Mystery

As Carrie and Al investigate the murder of a businessman, they realize his death was collateral damage in an assassination plot.

Ex-con Dennis joins witness protection, but a series of murders seems to follow him - as well as the stabbing of a friend of Mary's. As the killings mount up, Mary and Marshall must figure out whether Dennis is responsible in time to save the next victim.

A grisly murder investigation leads Castle and Beckett to a suspect who claims he's travelled back in time to stop terrible events from unfolding.

Dr Sloan tries to save Jesse and Amanda from a murderer who is out to kill them in order to obtain a multi-million dollar inheritance.

A newspaper reporter goes to Mark for help when she suspects a New Age religion is responsible for the stabbing of her dance partner.

A successful frozen food company pledges $750,000 to Jessica's favourite charity, the Literacy Foundation. Unfortunately, when she arrives to accept the donation, the money has vanished and the company accountant has committed suicide. Soon after, the corpse of one of the firm's...

Jessica finds herself in contempt of a federal grand jury after she is subpoenaed to testify in a hearing over a corrupt investment firm and the key witness dies.

As Castle and Beckett investigate the ritualistic murder of a young woman, they find strange symbols in the victim's flat; Castle struggles with Alexis' decision to move in with Pi.

Carrie has to explore her painful past when a prominent researcher who helped the cop understand her condition is found dead.

The FBI's Agent O'Connor arrests Brandi on charges of drug trafficking and murder. Insisting her sister is innocent, Mary works to help Brandi while trying to discover the real motive behind O'Connor's actions.

With help from a former Marine, a widow investigates a murder after her friend becomes the prime suspect.