It's Normal for Me to Know More About Time Travel in the Second Week, Right?

On Christmas Eve, a nuclear-powered icebreaker heading to the Arctic Ocean was blocked by a sudden huge iceberg in the Greenland Sea. It was surrounded by black fog and fell into the abyss. At the foot of the iceberg, the twenty criminals and officers escorted on the ship disappeared overnight; As one of the survivors, in order to find his sister who disappeared in the accident, he made a desperate move on the icebreaker that once again headed to the Arctic Ocean to escort criminals five years later, and explored the mystery of the iceberg with the twenty criminals who traveled together. Are there other survivors of the iceberg accident five years ago hidden among them? And what kind of world is on the other side of the iceberg? Is my sister alive and well in another world? What kind of sparks will these criminals create in another world? Human desires, greed, violence, slaughter, rights, survival... Race and destiny, God and devil, the good and the bad are at odds with each other! A different world is about to break out...