Desc: Singo: Directed by Alireza Mohammadi Rouzbahany. With Hadis Abolsedghi, Taha Behrouzour, Zohreh Eslami, Behshad Sharifian. Islanders are going to sell 4 horseshoe crabs that have a very precious blood, but a girl named Shafa decides to save the animals from death.