Missions? SH5

i also have the same problem with chosing a mision. i came to kiel port, i have loaded torpedos on sub and so on, i talk to capitain beside the torpedo engeneir, and i cant get mision. i have 3 talking options, 1. lets talk about my next mision, 2. i am ready for next patrol, 3. have a nice day. i click number 1. i have this movie going on hov must i destroy allies transport ships, and so on and after movie ends there i a map with ports shown and airfields shown, there is nothing for click accept X in up right corner and i i click it, i am back at beginig again i click conversation 1. and again i get mision details. cant realy accept and start mision. any video posible on that ?