Mika is a flight attendant on board an airplane scheduled to land at Haneda Airport. On the way to the airport the airplane's engine starts to burn. In order to save the 346 people on board the airplane, sea marshall Daisuke Senzaki and his team are called into action .
Brave Hearts: Umizaru (BRAVE HEARTS 海猿) is a 2012 Japanese action drama film directed by Eiichirō Hasumi and based on the manga series Umizaru.It is the fourth and final feature film/installment in the live action Umizaru series, acting as a sequel to films Umizaru (2004), Limit of Love: Umizaru (2006) and Umizaru 3: The Last Message (2010), and the 2005 TV series Umizaru: Evolution.