Generally speaking, the confession is made in the investigation stage of the case. If it is found that the criminal suspect should not be investigated for responsibility within two months from the date when the investigation organ arrests the criminal suspect, the case will be dismissed, and nothing will happen at all. However, if the case is complicated and the time limit cannot be terminated, it may be extended for one month with the approval of the people's procuratorate at the next higher level. Article 156 of the Criminal Procedure Law of People's Republic of China (PRC) * * * The detention review period of a criminal suspect after being arrested shall not exceed two months. If the case is complicated and cannot be concluded at the expiration of the time limit, it may be extended for one month with the approval of the people's procuratorate at the next higher level. 163rd in the process of investigation, it is found that the criminal suspect should not be investigated for criminal responsibility, and the case should be dismissed; A criminal suspect who has been arrested shall be released immediately, issued with a release certificate and notified to the people's procuratorate that originally approved the arrest.

Legal basis:

Article 156 of the Criminal Procedure Law of People's Republic of China (PRC) * * * The detention review period of a criminal suspect after being arrested shall not exceed two months. If the case is complicated and cannot be concluded at the expiration of the time limit, it may be extended for one month with the approval of the people's procuratorate at the next higher level.

Derivative problem:

Is the second summons serious? The second summons is not serious, as long as you cooperate with the investigation. At present, there is no limit on the number of summonses in the handling rules of criminal cases, but the time for each summons cannot exceed 12 hours, and the interval between two summonses cannot be less than 12 hours. You can't restrict the personal freedom of the summoned person in disguised form by continuous summons. After being summoned, it may be decided to take compulsory measures because it constitutes a crime, and the maximum time for summoning shall not exceed 24 hours.