Yes, returning to jail after being released on bail is possible. If you are released on bail, you are still required to comply with all of the conditions of your release, including appearing at all required court hearings and complying with any other requirements set by the court.
If you fail to comply with any of the conditions of your release, such as failing to appear in court or violating the terms of your probation, the court may issue a warrant for your arrest, and you may be taken back into custody.
In addition, if new evidence comes to light or if the prosecution files additional charges against you, you may be subject to a new arrest warrant and may be taken back into custody. Being released on bail does not guarantee freedom and carries certain legal and financial obligations.